[Buildroot] [PATCH v3 2/7] boot/grub2: add support to build multiple Grub2 configurations in the same build

[Yann E. MORIN]

Köry, All,

On 2021-10-14 22:02 +0200, Yann E. MORIN spake thusly:
[--SNIP--]
> Side note, unrelated to this issue: we have a parallel build issue with
> grub2:
>     2021-10-14 21:45:52 /home/ymorin/dev/buildroot/O/host/bin/i686-linux-gcc -E -DHAVE_CONFIG_H -I. -I..  -Wall -W -DGRUB_UTIL=1 -D_FILE_OFFSET_BITS=64 -I./include -DGRUB_FILE="util/grub-fstest.c" -I. -I.. -I. -I.. -I../include -I./include -I../grub-core/lib/libgcrypt-grub/src/ -I./grub-core/lib/gnulib -I../grub-core/lib/gnulib  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -fno-stack-protector -D_FILE_OFFSET_BITS=64   -D'GRUB_MOD_INIT(x)=@MARKER at x@' ../util/grub-fstest.c ../grub-core/kern/emu/hostfs.c ../ grub-core/disk/host.c ../grub-core/osdep/init.c > grub_fstest.pp || (rm -f grub_fstest.pp; exit 1)
>     2021-10-14 21:45:52 ../grub-core/kern/emu/hostfs.c:20:10: fatal error: config-util.h: No such file or directory
>     2021-10-14 21:45:52    20 | #include <config-util.h>
>     2021-10-14 21:45:52       |          ^~~~~~~~~~~~~~~
[--SNIP--]
> But fortunately, it looks liek it is fixed with upstream commit
> 42f4054faf3c (Makefile: Make libgrub.pp depend on config-util.h).

And apparently, this is not enough, because I still hit the issue, about
one in five builds, always when building i386-efi... :-(

But given how inventive the grub buildsystem is, I dread to ever have to
look at it once more... :-(

Regards,
Yann E. MORIN.

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